Heavy equipment maintenance involves an understanding of all the systems found on large, motorized machines, such as bulldozers, cranes or backhoes. … Often, heavy equipment cannot be taken to an appropriate repairshop, so maintenance workers must make repairs on site.Heavy machinery maintenance workers are trained in a variety of ways. While many receive on-the-job training, some employers prefer potential maintenance workers to attain some formal training. Community and technical colleges often offer classes in this field, and training programs are offered at the diploma, certificate, associate’s or bachelor’s degree level. Programs generally cover diverse heavy equipment topics, such as basic repairs and the proper operation of heavy equipment, as well as studies in diesel technology. Check out the links below for more information about relevant programs of study.